0001127602-24-012051.txt : 20240403 0001127602-24-012051.hdr.sgml : 20240403 20240403101726 ACCESSION NUMBER: 0001127602-24-012051 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240402 FILED AS OF DATE: 20240403 DATE AS OF CHANGE: 20240403 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Harris Teresa A CENTRAL INDEX KEY: 0001720317 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38263 FILM NUMBER: 24817214 MAIL ADDRESS: STREET 1: 1820 E BIG BEAVER RD CITY: TROY STATE: MI ZIP: 48083 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Altair Engineering Inc. CENTRAL INDEX KEY: 0001701732 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] ORGANIZATION NAME: 06 Technology IRS NUMBER: 382591828 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1820 E. BIG BEAVER ROAD CITY: TROY STATE: MI ZIP: 48083 BUSINESS PHONE: 248-614-2400 MAIL ADDRESS: STREET 1: 1820 E. BIG BEAVER ROAD CITY: TROY STATE: MI ZIP: 48083 FORMER COMPANY: FORMER CONFORMED NAME: Altair Engineering Ing. DATE OF NAME CHANGE: 20170322 4 1 form4.xml PRIMARY DOCUMENT X0508 4 2024-04-02 0001701732 Altair Engineering Inc. ALTR 0001720317 Harris Teresa A C/O ALTAIR ENGINEERING INC. 1820 E. BIG BEAVER ROAD TROY MI 48083 1 1 Class A Common Stock 2024-04-02 4 M 0 620 0 A 19515 D Class A Common Stock 2024-04-02 4 S 0 620 84.00 D 18895 D Stock Option (Right to Buy) 4.52 2024-04-02 4 M 0 620 0 D 2026-11-23 Class A Common Stock 620 16360 D The sale of the shares of Class A Common Stock were made pursuant to a plan intended to comply with Rule 10b5-1 of the Exchange Act, previously entered into on November 15, 2023. Includes 2,974 Class A Common Stock restricted stock units that are unvested. The options vested in 2 equal annual installments commencing November 23, 2017. This option is currently fully vested. /s/ Raoul Maitra, attorney-in-fact for Teresa Anita Harris 2024-04-03